As recently as 5,000 years ago, the Sahara—today a vast desert in northern Africa, spanning more than 3.5 million square miles—was a verdant landscape, with sprawling vegetation and numerous lakes. Ancient cave paintings ...
Earth Sciences
Apr 5, 2013
171
0
Mineral evolution is a new way to look at our planet's history. It's the study of the increasing diversity and characteristics of Earth's near-surface minerals, from the dozen that arrived on interstellar dust particles when ...
Earth Sciences
Feb 28, 2013
0
0
A University of Utah seismologist analyzed seismic waves that bombarded Earth's core, and believes he got a look at the earliest roots of Earth's most cataclysmic kind of volcanic eruption. But don't worry. He says it won't ...
Earth Sciences
Feb 7, 2013
2
1
(Phys.org)—A team of researchers from the U.K. and Australia has published a paper in the journal Earth and Planetary Science Letters, suggesting that the crater Chicxulub, off the coast of Mexico, may have come about due ...
(Phys.org)—In December 2011, Caltech mineral-physics expert Jennifer Jackson reported that she and a team of researchers had used diamond-anvil cells to compress tiny samples of iron—the main element of the earth's core. ...
Earth Sciences
Jan 15, 2013
0
0
New research by the University of Leicester and The Open University into evidence of water on Mars, sufficiently warm enough to support life, has been published this week in the journal Earth and Planetary Science Letters.
Space Exploration
Nov 15, 2012
10
0
Scientists at Cambridge University have developed a model that may show why some tsunamis—including the one that devastated Japan in March 2011ar—e so much larger than expected. The Japanese tsunami baffled the world's ...
Earth Sciences
Aug 24, 2012
6
0
Comets and asteroids preserve the building blocks of our Solar System and should help explain its origin. But there are unsolved puzzles. For example, how did icy comets obtain particles that formed at high temperatures, ...
Space Exploration
Jul 25, 2012
14
0
The Earth's crust beneath the Mississippi Delta sinks at a much slower rate than what had been assumed.
Earth Sciences
Apr 2, 2012
8
0
Around 250 million years ago, at the end of the Permian geologic period, there was a mass extinction so severe that it remains the most traumatic known species die-off in Earth's history. Although the cause of this event ...
Earth Sciences
Jan 9, 2012
1
0
